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(DL) Delta Air Lines 3964 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(ELM) Elmira Corning Regional Airport

Elmira, NY, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
17
68%
Late
3
12%
Very Late
1
4%
Excessive
4
16%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
12
Codeshares
25
Average Delay (min.)
52.583333333333336
Standard Deviation
64.9
Min
0
Max
218

DL 3964 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 68%
Average Delay Time 52.583333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 12% of all other flights in the FlightStats database.
On-Time Performance Rating
0.7 of 5
Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 14% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 52.583333333333336 min
This flight has an average delay of 52.583333333333336 minutes with a standard deviation of 64.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.

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